Bump org.testng:testng from 7.7.0 to 7.9.0

Bumps [org.testng:testng](https://github.com/testng-team/testng) from 7.7.0 to 7.9.0.
- [Release notes](https://github.com/testng-team/testng/releases)
- [Changelog](https://github.com/testng-team/testng/blob/master/CHANGES.txt)
- [Commits](testng-team/testng@7.7.0...7.9.0)

---
updated-dependencies:
- dependency-name: org.testng:testng
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -106,7 +106,7 @@
         <el.api.version>5.0.1</el.api.version>
 
         <!-- Test tools/dependencies -->
-        <testng.version>7.7.0</testng.version>
+        <testng.version>7.9.0</testng.version>
         <jboss.test.audit.version>2.0.0.Final</jboss.test.audit.version>
         <arquillian.version>1.8.0.Final</arquillian.version>
         <arquillian.container.se.api.version>1.0.1.Final</arquillian.container.se.api.version>